from matplotlib import pyplot as plt

# 准备数据
time = ['20200401', '20200402', '20200403', '20200404', '202004005']
china = [93, 75, 67, 45, 65]

# 创建画布
plt.figure(figsize=(10, 8), dpi=80)

# 绘制折线图
plt.plot(time, china)

# 展示
plt.show()
